/**
 * Copyright 2024-2025 北京思源智教科技有限公司 (Beijing Siyuan Zhijiao Technology Co., Ltd.)
 * All Rights Reserved
 * 
 * Proprietary License - All use without explicit permission is prohibited.
 * Unauthorized use, copying, modification, distribution, or execution is strictly prohibited.
 * 
 * @author WANG CUNCHI
 */

/**
 * MindGraph Interactive Editor Styles
 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: #f5f5f5;
    color: #333;
    overflow: hidden;
}

/* ========== Landing Page ========== */
.editor-landing {
    width: 100%;
    height: 100vh;
    overflow-y: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 20px;
    position: relative;
}

/* ========== Top Right Controls ========== */
.top-right-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 12px;
    z-index: 1000;
}

.control-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #667eea;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

/* Custom tooltip for control buttons - positioned below to avoid browser cutoff */
.control-btn[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 10000;
}

.control-btn[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

.control-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    border-color: #667eea;
}

.control-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Feedback Button - Rainbow Glow Animation */
/* Animation name: rainbow-rotate-glow (for future reference) */
#feedback-btn {
    position: relative;
    overflow: visible;
    z-index: 1;
    background: linear-gradient(135deg, #FFD700 0%, #FFC107 100%) !important;
    color: #000 !important;
    border: none !important;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3) !important;
}

#feedback-btn:hover {
    background: linear-gradient(135deg, #FFC107 0%, #FFB300 100%) !important;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.5) !important;
}

/* Rainbow glow border effect */
#feedback-btn::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 11px;
    padding: 3px;
    background: linear-gradient(
        45deg,
        #ff0000, #ff7f00, #ffff00, #00ff00, 
        #0000ff, #4b0082, #9400d3,
        #ff0000
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, 
                   linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, 
          linear-gradient(#fff 0 0);
    mask-composite: exclude;
    animation: rainbow-rotate-glow 3s linear infinite;
    filter: blur(8px);
    z-index: -1;
    opacity: 1;
}

/* Hover makes rainbow glow more intense */
#feedback-btn:hover::before {
    filter: blur(10px);
    opacity: 1;
}

/* Rainbow rotation animation - rainbow-rotate-glow */
@keyframes rainbow-rotate-glow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.lang-text {
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.editor-header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.editor-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.editor-header p {
    font-size: 18px;
    font-weight: 400;
    opacity: 0.9;
}

/* ========== AI Prompt Input Section ========== */
.prompt-section {
    max-width: 800px;
    margin: 0 auto 40px auto;
    padding: 0 20px;
}

.prompt-container {
    position: relative;
}

.prompt-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: white;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.prompt-input-wrapper:focus-within {
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.25);
    transform: translateY(-2px);
}

.prompt-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 18px 28px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    background: transparent;
    color: #333;
    border-radius: 50px;
}

.prompt-input::placeholder {
    color: #999;
}

.prompt-send-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 6px;
    transition: all 0.3s ease;
    color: white;
}

.prompt-send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.prompt-send-btn:active {
    transform: scale(1.05);
}

.prompt-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: scale(1);
}

/* History Toggle Button */
.prompt-history-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    color: white;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.prompt-history-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

.prompt-history-toggle svg {
    transition: transform 0.3s ease;
}

.prompt-history-toggle.active svg {
    transform: rotate(180deg);
}

/* History Dropdown */
.prompt-history-dropdown {
    position: absolute;
    top: calc(100% + 16px);
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    max-height: 320px;
    overflow: hidden;
    z-index: 100;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.prompt-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
}

.prompt-history-header span {
    font-weight: 600;
    font-size: 14px;
    color: #333;
}

.clear-history-btn {
    background: none;
    border: none;
    color: #ff6b6b;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.clear-history-btn:hover {
    background: rgba(255, 107, 107, 0.1);
}

.prompt-history-list {
    max-height: 260px;
    overflow-y: auto;
}

.prompt-history-item {
    padding: 14px 20px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.prompt-history-item:last-child {
    border-bottom: none;
}

.prompt-history-item:hover {
    background: #f8f9fa;
}

.prompt-history-item svg {
    flex-shrink: 0;
    color: #999;
}

.prompt-history-item-text {
    flex: 1;
    color: #555;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.prompt-history-empty {
    padding: 40px 20px;
    text-align: center;
    color: #999;
    font-size: 14px;
}

/* ========== Diagram Gallery ========== */
.diagram-gallery {
    max-width: 1400px;
    margin: 0 auto;
}

.diagram-category {
    margin-bottom: 60px;
}

.diagram-category h2 {
    color: white;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
    padding-left: 10px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Coming Soon Badge */
.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.15) 100%);
    backdrop-filter: blur(10px);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: gentle-glow 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

/* Shimmer effect */
.coming-soon-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

@keyframes gentle-glow {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 0 20px rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), 0 0 30px rgba(255, 255, 255, 0.2);
    }
}

/* Icon for badge */
.coming-soon-badge::after {
    content: '✨';
    font-size: 14px;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1) rotate(0deg);
    }
    50% {
        opacity: 1;
        transform: scale(1.2) rotate(10deg);
    }
}

.diagram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 0 10px;
}

.diagram-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    user-select: none;
}

.diagram-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border: 2px solid #667eea;
}

.diagram-card:active {
    transform: translateY(-4px);
}

.diagram-preview {
    width: 100%;
    height: 150px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
}

.diagram-preview svg {
    width: 100%;
    height: 100%;
    pointer-events: none;
    user-select: none;
}

.diagram-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    text-align: center;
}

.diagram-card p {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin: 0;
}

/* ========== Circle Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes circleMapCenterPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes circleMapBubble1Pulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.38);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes circleMapBubble2Pulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.38);
    }
    50% {
        transform: scale(1);
    }
}

@keyframes circleMapBubble3Pulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.38);
    }
    60% {
        transform: scale(1);
    }
}

@keyframes circleMapBubble4Pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1);
    }
    60% {
        transform: scale(1.38);
    }
    70% {
        transform: scale(1);
    }
}

@keyframes circleMapBubble5Pulse {
    0%, 100% {
        transform: scale(1);
    }
    60% {
        transform: scale(1);
    }
    70% {
        transform: scale(1.38);
    }
    80% {
        transform: scale(1);
    }
}

@keyframes circleMapOuterRingPulse {
    0%, 80% {
        transform: scale(1);
    }
    90% {
        transform: scale(1.08);
    }
    100% {
        transform: scale(1);
    }
}

/* Set transform origins */
.diagram-card[data-type="circle_map"] .circle-map-center {
    transform-origin: 100px 75px;
}

.diagram-card[data-type="circle_map"] .circle-map-outer-ring {
    transform-origin: 100px 75px;
}

.diagram-card[data-type="circle_map"] .circle-map-bubble-1 {
    transform-origin: 100px 23px;
}

.diagram-card[data-type="circle_map"] .circle-map-bubble-2 {
    transform-origin: 150px 59px;
}

.diagram-card[data-type="circle_map"] .circle-map-bubble-3 {
    transform-origin: 131px 117px;
}

.diagram-card[data-type="circle_map"] .circle-map-bubble-4 {
    transform-origin: 69px 117px;
}

.diagram-card[data-type="circle_map"] .circle-map-bubble-5 {
    transform-origin: 50px 59px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="circle_map"]:hover .circle-map-center {
    animation: circleMapCenterPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="circle_map"]:hover .circle-map-bubble-1 {
    animation: circleMapBubble1Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="circle_map"]:hover .circle-map-bubble-2 {
    animation: circleMapBubble2Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="circle_map"]:hover .circle-map-bubble-3 {
    animation: circleMapBubble3Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="circle_map"]:hover .circle-map-bubble-4 {
    animation: circleMapBubble4Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="circle_map"]:hover .circle-map-bubble-5 {
    animation: circleMapBubble5Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="circle_map"]:hover .circle-map-outer-ring {
    animation: circleMapOuterRingPulse 2s ease-in-out infinite;
}

/* ========== Bubble Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes bubbleMapCenterPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes bubbleMapBubble1Pulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.38);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes bubbleMapBubble2Pulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.38);
    }
    50% {
        transform: scale(1);
    }
}

@keyframes bubbleMapBubble3Pulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.38);
    }
    60% {
        transform: scale(1);
    }
}

@keyframes bubbleMapBubble4Pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1);
    }
    60% {
        transform: scale(1.38);
    }
    70% {
        transform: scale(1);
    }
}

@keyframes bubbleMapBubble5Pulse {
    0%, 100% {
        transform: scale(1);
    }
    60% {
        transform: scale(1);
    }
    70% {
        transform: scale(1.38);
    }
    80% {
        transform: scale(1);
    }
}

/* Set transform origins */
.diagram-card[data-type="bubble_map"] .bubble-map-center {
    transform-origin: 100px 80px;
}

.diagram-card[data-type="bubble_map"] .bubble-map-bubble-1 {
    transform-origin: 100px 25px;
}

.diagram-card[data-type="bubble_map"] .bubble-map-bubble-2 {
    transform-origin: 152px 63px;
}

.diagram-card[data-type="bubble_map"] .bubble-map-bubble-3 {
    transform-origin: 132px 125px;
}

.diagram-card[data-type="bubble_map"] .bubble-map-bubble-4 {
    transform-origin: 68px 125px;
}

.diagram-card[data-type="bubble_map"] .bubble-map-bubble-5 {
    transform-origin: 48px 63px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="bubble_map"]:hover .bubble-map-center {
    animation: bubbleMapCenterPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="bubble_map"]:hover .bubble-map-bubble-1 {
    animation: bubbleMapBubble1Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="bubble_map"]:hover .bubble-map-bubble-2 {
    animation: bubbleMapBubble2Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="bubble_map"]:hover .bubble-map-bubble-3 {
    animation: bubbleMapBubble3Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="bubble_map"]:hover .bubble-map-bubble-4 {
    animation: bubbleMapBubble4Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="bubble_map"]:hover .bubble-map-bubble-5 {
    animation: bubbleMapBubble5Pulse 2s ease-in-out infinite;
}

/* ========== Double Bubble Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes doubleBubbleMapTopicPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes doubleBubbleMapSimilarityPulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.38);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes doubleBubbleMapDiffPulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.38);
    }
    60% {
        transform: scale(1);
    }
}

/* Set transform origins */
.diagram-card[data-type="double_bubble_map"] .double-bubble-map-topic-left {
    transform-origin: 60px 75px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-topic-right {
    transform-origin: 140px 75px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-similarity-1 {
    transform-origin: 100px 50px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-similarity-2 {
    transform-origin: 100px 100px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-diff-left-1 {
    transform-origin: 20px 50px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-diff-left-2 {
    transform-origin: 20px 100px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-diff-right-1 {
    transform-origin: 180px 50px;
}

.diagram-card[data-type="double_bubble_map"] .double-bubble-map-diff-right-2 {
    transform-origin: 180px 100px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="double_bubble_map"]:hover .double-bubble-map-topic {
    animation: doubleBubbleMapTopicPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="double_bubble_map"]:hover .double-bubble-map-similarity {
    animation: doubleBubbleMapSimilarityPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="double_bubble_map"]:hover .double-bubble-map-diff {
    animation: doubleBubbleMapDiffPulse 2s ease-in-out infinite;
}

/* ========== Tree Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes treeMapTopicPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes treeMapChild1Pulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.3);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes treeMapChild2Pulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.3);
    }
    50% {
        transform: scale(1);
    }
}

@keyframes treeMapChild3Pulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
    60% {
        transform: scale(1);
    }
}

/* Set transform origins (center of each rectangle) */
.diagram-card[data-type="tree_map"] .tree-map-topic {
    transform-origin: 100px 36.5px;
}

.diagram-card[data-type="tree_map"] .tree-map-child-1 {
    transform-origin: 45px 115px;
}

.diagram-card[data-type="tree_map"] .tree-map-child-2 {
    transform-origin: 100px 115px;
}

.diagram-card[data-type="tree_map"] .tree-map-child-3 {
    transform-origin: 155px 115px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="tree_map"]:hover .tree-map-topic {
    animation: treeMapTopicPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="tree_map"]:hover .tree-map-child-1 {
    animation: treeMapChild1Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="tree_map"]:hover .tree-map-child-2 {
    animation: treeMapChild2Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="tree_map"]:hover .tree-map-child-3 {
    animation: treeMapChild3Pulse 2s ease-in-out infinite;
}

/* ========== Brace Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes braceMapTopicPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes braceMapChild1Pulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.3);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes braceMapChild2Pulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.3);
    }
    50% {
        transform: scale(1);
    }
}

@keyframes braceMapChild3Pulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
    60% {
        transform: scale(1);
    }
}

/* Set transform origins (center of each rectangle) */
.diagram-card[data-type="brace_map"] .brace-map-topic {
    transform-origin: 50px 75px;
}

.diagram-card[data-type="brace_map"] .brace-map-child-1 {
    transform-origin: 155px 35px;
}

.diagram-card[data-type="brace_map"] .brace-map-child-2 {
    transform-origin: 155px 75px;
}

.diagram-card[data-type="brace_map"] .brace-map-child-3 {
    transform-origin: 155px 115px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="brace_map"]:hover .brace-map-topic {
    animation: braceMapTopicPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="brace_map"]:hover .brace-map-child-1 {
    animation: braceMapChild1Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="brace_map"]:hover .brace-map-child-2 {
    animation: braceMapChild2Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="brace_map"]:hover .brace-map-child-3 {
    animation: braceMapChild3Pulse 2s ease-in-out infinite;
}

/* ========== Flow Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes flowMapBox1Pulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes flowMapBox2Pulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.2);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes flowMapBox3Pulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.2);
    }
    50% {
        transform: scale(1);
    }
}

/* Set transform origins (center of each rectangle) */
.diagram-card[data-type="flow_map"] .flow-map-box-1 {
    transform-origin: 27.5px 75px;
}

.diagram-card[data-type="flow_map"] .flow-map-box-2 {
    transform-origin: 100px 75px;
}

.diagram-card[data-type="flow_map"] .flow-map-box-3 {
    transform-origin: 172.5px 75px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="flow_map"]:hover .flow-map-box-1 {
    animation: flowMapBox1Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="flow_map"]:hover .flow-map-box-2 {
    animation: flowMapBox2Pulse 2s ease-in-out infinite;
}

.diagram-card[data-type="flow_map"]:hover .flow-map-box-3 {
    animation: flowMapBox3Pulse 2s ease-in-out infinite;
}

/* ========== Multi-Flow Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes multiFlowMapEventPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes multiFlowMapCausePulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.3);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes multiFlowMapEffectPulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
    60% {
        transform: scale(1);
    }
}

/* Set transform origins (center of each rectangle) */
.diagram-card[data-type="multi_flow_map"] .multi-flow-map-event {
    transform-origin: 100px 75px;
}

.diagram-card[data-type="multi_flow_map"] .multi-flow-map-cause-1 {
    transform-origin: 26.5px 51px;
}

.diagram-card[data-type="multi_flow_map"] .multi-flow-map-cause-2 {
    transform-origin: 26.5px 99px;
}

.diagram-card[data-type="multi_flow_map"] .multi-flow-map-effect-1 {
    transform-origin: 173.5px 51px;
}

.diagram-card[data-type="multi_flow_map"] .multi-flow-map-effect-2 {
    transform-origin: 173.5px 99px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="multi_flow_map"]:hover .multi-flow-map-event {
    animation: multiFlowMapEventPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="multi_flow_map"]:hover .multi-flow-map-cause {
    animation: multiFlowMapCausePulse 2s ease-in-out infinite;
}

.diagram-card[data-type="multi_flow_map"]:hover .multi-flow-map-effect {
    animation: multiFlowMapEffectPulse 2s ease-in-out infinite;
}

/* ========== Bridge Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes bridgeMapLeftPairPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes bridgeMapRightPairPulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    60% {
        transform: scale(1);
    }
}

/* Set transform origins (center of each rectangle) */
.diagram-card[data-type="bridge_map"] .bridge-map-left-top {
    transform-origin: 55px 54px;
}

.diagram-card[data-type="bridge_map"] .bridge-map-left-bottom {
    transform-origin: 55px 96px;
}

.diagram-card[data-type="bridge_map"] .bridge-map-right-top {
    transform-origin: 145px 54px;
}

.diagram-card[data-type="bridge_map"] .bridge-map-right-bottom {
    transform-origin: 145px 96px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="bridge_map"]:hover .bridge-map-left {
    animation: bridgeMapLeftPairPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="bridge_map"]:hover .bridge-map-right {
    animation: bridgeMapRightPairPulse 2s ease-in-out infinite;
}

/* ========== Mind Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes mindMapCenterPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes mindMapBranchTopRightPulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    27.5% {
        transform: scale(1.3);
    }
    35% {
        transform: scale(1);
    }
}

@keyframes mindMapBranchLowerRightPulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    37.5% {
        transform: scale(1.3);
    }
    45% {
        transform: scale(1);
    }
}

@keyframes mindMapBranchLowerLeftPulse {
    0%, 100% {
        transform: scale(1);
    }
    40% {
        transform: scale(1);
    }
    47.5% {
        transform: scale(1.3);
    }
    55% {
        transform: scale(1);
    }
}

@keyframes mindMapBranchTopLeftPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1);
    }
    57.5% {
        transform: scale(1.3);
    }
    65% {
        transform: scale(1);
    }
}

/* Set transform origins */
.diagram-card[data-type="mindmap"] .mind-map-center {
    transform-origin: 100px 75px;
}

.diagram-card[data-type="mindmap"] .mind-map-branch-top-right {
    transform-origin: 167.5px 49px;
}

.diagram-card[data-type="mindmap"] .mind-map-branch-lower-right {
    transform-origin: 167.5px 101px;
}

.diagram-card[data-type="mindmap"] .mind-map-branch-lower-left {
    transform-origin: 32.5px 101px;
}

.diagram-card[data-type="mindmap"] .mind-map-branch-top-left {
    transform-origin: 32.5px 49px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="mindmap"]:hover .mind-map-center {
    animation: mindMapCenterPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="mindmap"]:hover .mind-map-branch-top-right {
    animation: mindMapBranchTopRightPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="mindmap"]:hover .mind-map-branch-lower-right {
    animation: mindMapBranchLowerRightPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="mindmap"]:hover .mind-map-branch-lower-left {
    animation: mindMapBranchLowerLeftPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="mindmap"]:hover .mind-map-branch-top-left {
    animation: mindMapBranchTopLeftPulse 2s ease-in-out infinite;
}

/* ========== Concept Map Hover Animation ========== */
/* Keyframe animations for cycling effect */
@keyframes conceptMapTopPulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.2);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes conceptMapRightPulse {
    0%, 100% {
        transform: scale(1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.3);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes conceptMapLeftPulse {
    0%, 100% {
        transform: scale(1);
    }
    30% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.3);
    }
    50% {
        transform: scale(1);
    }
}

/* Set transform origins */
.diagram-card[data-type="concept_map"] .concept-map-top {
    transform-origin: 100px 40px;
}

.diagram-card[data-type="concept_map"] .concept-map-right {
    transform-origin: 150px 100px;
}

.diagram-card[data-type="concept_map"] .concept-map-left {
    transform-origin: 50px 100px;
}

/* Apply animations on hover - cycle continuously */
.diagram-card[data-type="concept_map"]:hover .concept-map-top {
    animation: conceptMapTopPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="concept_map"]:hover .concept-map-right {
    animation: conceptMapRightPulse 2s ease-in-out infinite;
}

.diagram-card[data-type="concept_map"]:hover .concept-map-left {
    animation: conceptMapLeftPulse 2s ease-in-out infinite;
}

/* ========== Landing Footer ========== */
.landing-footer {
    text-align: center;
    margin-top: 60px;
    padding: 40px 20px;
}

.landing-footer .btn-primary {
    background: white;
    color: #667eea;
    border: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 12px;
}

.landing-footer .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.landing-footer p {
    color: white;
    font-size: 14px;
    opacity: 0.9;
}

/* ========== Editor Interface ========== */
.editor-interface {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f5f5f5;
}

.editor-toolbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 12px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toolbar-left {
    flex-shrink: 1;
    min-width: 0;
}

.toolbar-center {
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
    min-width: 0;
}

.toolbar-right {
    flex-shrink: 0;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.toolbar-group-label {
    color: white;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 5px;
}

.btn-tool {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
    min-width: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.btn-tool:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.btn-tool:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #4CAF50;
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: #45a049;
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-success {
    background: #2196F3;
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-success:hover {
    background: #1976D2;
    transform: translateY(-1px);
}

.btn-warning {
    background: #FF9800;
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-warning:hover {
    background: #F57C00;
    transform: translateY(-1px);
}

/* Hide watermarks in canvas view */
.watermark {
    display: none;
}

.diagram-type {
    color: white;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
}

/* ========== Main Content ========== */
.editor-main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative; /* Establish positioning context for property panel */
}

.canvas-panel {
    flex: 1;
    overflow: hidden; /* Use zoom/pan instead of scrollbars */
    background: #f5f5f5;
    position: relative;
    width: 100%;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-right 0.3s ease;
}

/* Canvas panel constrained when property panel is visible */
.canvas-panel.property-panel-visible {
    flex: none; /* Override flex: 1 to use explicit width */
    width: calc(100% - 320px);
    border-right: 3px solid rgba(102, 126, 234, 0.3);
    box-shadow: inset -4px 0 8px rgba(102, 126, 234, 0.05);
}

/* Canvas panel constrained when AI assistant is visible */
.canvas-panel.ai-panel-visible {
    flex: none; /* Override flex: 1 to use explicit width */
    width: calc(100% - 420px);
    border-right: 3px solid rgba(102, 126, 234, 0.3);
    box-shadow: inset -4px 0 8px rgba(102, 126, 234, 0.05);
}

/* Both panels visible - prioritize property panel (smaller, more specific) */
.canvas-panel.property-panel-visible.ai-panel-visible {
    flex: none; /* Override flex: 1 to use explicit width */
    width: calc(100% - 320px);
}

#d3-container {
    /* Container fills the entire canvas panel for full viewport */
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    line-height: 0;  /* Remove any line-height spacing */
    overflow: hidden; /* Prevent scrollbars, use zoom/pan instead */
}

/* SVG fills the container completely */
#d3-container svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* ========== Status Bar ========== */
.editor-status-bar {
    background: #2c3e50;
    color: white;
    padding: 8px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    position: relative;
    z-index: 150; /* Higher than property panel (100) to prevent tooltip overlay */
}

.editor-status-bar .status-left,
.editor-status-bar .status-center,
.editor-status-bar .status-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.editor-status-bar .status-center {
    flex: 0 0 auto;
    gap: 10px;
}

.editor-status-bar span {
    margin-right: 0;
}

/* LLM Selector */
.llm-label {
    font-weight: 600;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.llm-selector {
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px;
    border-radius: 6px;
}

.llm-btn {
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid transparent;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

/* Individual LLM button colors */
/* Qwen - Blue */
.llm-btn[data-llm="qwen"] {
    border-color: rgba(52, 152, 219, 0.4);
}

.llm-btn[data-llm="qwen"]:hover {
    background: rgba(52, 152, 219, 0.2);
    border-color: rgba(52, 152, 219, 0.6);
    color: rgba(255, 255, 255, 0.9);
}

.llm-btn[data-llm="qwen"].active {
    background: rgba(52, 152, 219, 0.8);
    color: white;
    border-color: rgba(52, 152, 219, 1);
    font-weight: 600;
}

.llm-btn[data-llm="qwen"].active:hover {
    background: rgba(52, 152, 219, 1);
}

/* DeepSeek - Purple */
.llm-btn[data-llm="deepseek"] {
    border-color: rgba(155, 89, 182, 0.4);
}

.llm-btn[data-llm="deepseek"]:hover {
    background: rgba(155, 89, 182, 0.2);
    border-color: rgba(155, 89, 182, 0.6);
    color: rgba(255, 255, 255, 0.9);
}

.llm-btn[data-llm="deepseek"].active {
    background: rgba(155, 89, 182, 0.8);
    color: white;
    border-color: rgba(155, 89, 182, 1);
    font-weight: 600;
}

.llm-btn[data-llm="deepseek"].active:hover {
    background: rgba(155, 89, 182, 1);
}

/* Hunyuan - Orange/Gold */
.llm-btn[data-llm="hunyuan"] {
    border-color: rgba(243, 156, 18, 0.4);
}

.llm-btn[data-llm="hunyuan"]:hover {
    background: rgba(243, 156, 18, 0.2);
    border-color: rgba(243, 156, 18, 0.6);
    color: rgba(255, 255, 255, 0.9);
}

.llm-btn[data-llm="hunyuan"].active {
    background: rgba(243, 156, 18, 0.8);
    color: white;
    border-color: rgba(243, 156, 18, 1);
    font-weight: 600;
}

.llm-btn[data-llm="hunyuan"].active:hover {
    background: rgba(243, 156, 18, 1);
}

/* Kimi - Teal/Green */
.llm-btn[data-llm="kimi"] {
    border-color: rgba(26, 188, 156, 0.4);
}

.llm-btn[data-llm="kimi"]:hover {
    background: rgba(26, 188, 156, 0.2);
    border-color: rgba(26, 188, 156, 0.6);
    color: rgba(255, 255, 255, 0.9);
}

.llm-btn[data-llm="kimi"].active {
    background: rgba(26, 188, 156, 0.8);
    color: white;
    border-color: rgba(26, 188, 156, 1);
    font-weight: 600;
}

.llm-btn[data-llm="kimi"].active:hover {
    background: rgba(26, 188, 156, 1);
}

/* Doubao - Pink/Magenta */
.llm-btn[data-llm="doubao"] {
    border-color: rgba(233, 30, 99, 0.4);
}

.llm-btn[data-llm="doubao"]:hover {
    background: rgba(233, 30, 99, 0.2);
    border-color: rgba(233, 30, 99, 0.6);
    color: rgba(255, 255, 255, 0.9);
}

.llm-btn[data-llm="doubao"].active {
    background: rgba(233, 30, 99, 0.8);
    color: white;
    border-color: rgba(233, 30, 99, 1);
    font-weight: 600;
}

.llm-btn[data-llm="doubao"].active:hover {
    background: rgba(233, 30, 99, 1);
}

/* Loading state */
.llm-btn.loading {
    background: rgba(255, 193, 7, 0.2);
    color: rgba(255, 255, 255, 0.5);
    border-color: rgba(255, 193, 7, 0.5);
    cursor: wait;
    position: relative;
}

.llm-btn.loading::after {
    content: '⏳';
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Ready state (has cached result) - Professional glowing ring effect */
/* Smooth pulsing animation for the glow */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 
            0 0 8px var(--glow-color-light),
            0 0 12px var(--glow-color-medium),
            0 0 16px var(--glow-color-dark),
            inset 0 0 8px var(--glow-color-light);
    }
    50% {
        box-shadow: 
            0 0 12px var(--glow-color-light),
            0 0 20px var(--glow-color-medium),
            0 0 28px var(--glow-color-dark),
            inset 0 0 12px var(--glow-color-light);
    }
}

/* Qwen - Blue glow */
.llm-btn[data-llm="qwen"].ready {
    --glow-color-light: rgba(52, 152, 219, 0.6);
    --glow-color-medium: rgba(52, 152, 219, 0.4);
    --glow-color-dark: rgba(52, 152, 219, 0.2);
    animation: glow-pulse 2s ease-in-out infinite;
    border-color: rgba(52, 152, 219, 0.8);
    background: rgba(52, 152, 219, 0.15);
}

/* DeepSeek - Purple glow */
.llm-btn[data-llm="deepseek"].ready {
    --glow-color-light: rgba(155, 89, 182, 0.6);
    --glow-color-medium: rgba(155, 89, 182, 0.4);
    --glow-color-dark: rgba(155, 89, 182, 0.2);
    animation: glow-pulse 2s ease-in-out infinite;
    border-color: rgba(155, 89, 182, 0.8);
    background: rgba(155, 89, 182, 0.15);
}

/* Hunyuan - Orange/Gold glow */
.llm-btn[data-llm="hunyuan"].ready {
    --glow-color-light: rgba(243, 156, 18, 0.6);
    --glow-color-medium: rgba(243, 156, 18, 0.4);
    --glow-color-dark: rgba(243, 156, 18, 0.2);
    animation: glow-pulse 2s ease-in-out infinite;
    border-color: rgba(243, 156, 18, 0.8);
    background: rgba(243, 156, 18, 0.15);
}

/* Kimi - Teal/Green glow */
.llm-btn[data-llm="kimi"].ready {
    --glow-color-light: rgba(26, 188, 156, 0.6);
    --glow-color-medium: rgba(26, 188, 156, 0.4);
    --glow-color-dark: rgba(26, 188, 156, 0.2);
    animation: glow-pulse 2s ease-in-out infinite;
    border-color: rgba(26, 188, 156, 0.8);
    background: rgba(26, 188, 156, 0.15);
}

/* Doubao - Pink/Magenta glow */
.llm-btn[data-llm="doubao"].ready {
    --glow-color-light: rgba(233, 30, 99, 0.6);
    --glow-color-medium: rgba(233, 30, 99, 0.4);
    --glow-color-dark: rgba(233, 30, 99, 0.2);
    animation: glow-pulse 2s ease-in-out infinite;
    border-color: rgba(233, 30, 99, 0.8);
    background: rgba(233, 30, 99, 0.15);
}

/* Active + Ready state: Stop pulsing, keep solid glow */
.llm-btn.ready.active {
    animation: none;
}

.llm-btn[data-llm="qwen"].ready.active {
    box-shadow: 
        0 0 8px rgba(52, 152, 219, 0.6),
        0 0 12px rgba(52, 152, 219, 0.4),
        0 0 16px rgba(52, 152, 219, 0.2),
        inset 0 0 8px rgba(52, 152, 219, 0.3);
}

.llm-btn[data-llm="deepseek"].ready.active {
    box-shadow: 
        0 0 8px rgba(155, 89, 182, 0.6),
        0 0 12px rgba(155, 89, 182, 0.4),
        0 0 16px rgba(155, 89, 182, 0.2),
        inset 0 0 8px rgba(155, 89, 182, 0.3);
}

.llm-btn[data-llm="hunyuan"].ready.active {
    box-shadow: 
        0 0 8px rgba(243, 156, 18, 0.6),
        0 0 12px rgba(243, 156, 18, 0.4),
        0 0 16px rgba(243, 156, 18, 0.2),
        inset 0 0 8px rgba(243, 156, 18, 0.3);
}

.llm-btn[data-llm="kimi"].ready.active {
    box-shadow: 
        0 0 8px rgba(26, 188, 156, 0.6),
        0 0 12px rgba(26, 188, 156, 0.4),
        0 0 16px rgba(26, 188, 156, 0.2),
        inset 0 0 8px rgba(26, 188, 156, 0.3);
}

.llm-btn[data-llm="doubao"].ready.active {
    box-shadow: 
        0 0 8px rgba(233, 30, 99, 0.6),
        0 0 12px rgba(233, 30, 99, 0.4),
        0 0 16px rgba(233, 30, 99, 0.2),
        inset 0 0 8px rgba(233, 30, 99, 0.3);
}

/* Error state */
.llm-btn.error {
    border-color: rgba(231, 76, 60, 0.5);
    color: rgba(255, 255, 255, 0.5);
}

.llm-btn.error:hover {
    background: rgba(231, 76, 60, 0.2);
    border-color: rgba(231, 76, 60, 0.7);
}

/* Tab Mode Button - Match reset-view-btn style */
.tab-mode-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.tab-mode-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.tab-mode-btn:active {
    transform: translateY(0);
}

.tab-mode-btn.active {
    background: rgba(102, 126, 234, 0.9);
    border-color: rgba(102, 126, 234, 1);
    color: white;
}

.tab-mode-btn.active:hover {
    background: rgba(85, 104, 211, 0.95);
    border-color: rgba(85, 104, 211, 1);
}

.tab-mode-icon {
    font-size: 14px;
    line-height: 1;
}

/* Tab Mode Suggestions Overlay */
.tab-mode-suggestions {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.tab-mode-suggestion-item {
    transition: background 0.15s ease;
}

.tab-mode-suggestion-item:hover {
    background: #f0f0f0 !important;
}

/* Tab Mode Loading Indicator */
@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.tab-mode-loading {
    animation: pulse 1s infinite;
}

.reset-view-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.reset-view-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.reset-view-btn:active {
    transform: translateY(0);
}

.reset-view-icon {
    font-size: 14px;
    line-height: 1;
}

/* ========== Mobile Zoom Controls ========== */
/* Floating buttons for mobile zoom (bottom-right corner) */
.mobile-zoom-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
}

.zoom-control-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: #333;
    font-size: 20px;
    font-weight: 600;
}

.zoom-control-btn:hover {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
}

.zoom-control-btn:active {
    transform: scale(0.95);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.zoom-control-btn span {
    line-height: 1;
}

/* Prevent text selection during pinch zoom */
#d3-container svg {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: pinch-zoom pan-x pan-y; /* Allow pinch-to-zoom and panning gestures */
}

/* ========== Selection Indicator ========== */
.selected {
    filter: drop-shadow(0 0 8px rgba(255, 107, 107, 0.6));
}

/* ========== Property Panel ========== */
.property-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: white;
    border-left: 1px solid #e0e0e0;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    z-index: 100;
    animation: slideInRight 0.3s ease;
    /* Positioned relative to editor-main-content container - automatically fits between toolbar and status bar */
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.property-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
    background: #f9f9f9;
}

.property-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.btn-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.btn-close:hover {
    background: #e0e0e0;
    color: #333;
}

.property-content {
    padding: 20px;
}

.property-group {
    margin-bottom: 24px;
}

.property-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #666;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.prop-input,
.prop-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
}

.prop-input:focus {
    outline: none;
    border-color: #667eea;
}

.prop-input::placeholder {
    color: #999;
    font-style: italic;
    opacity: 0.8;
}

.prop-textarea {
    resize: none;
    min-height: 60px;
    max-height: 300px;
    line-height: 1.4;
    font-family: 'Inter', sans-serif;
    overflow-y: hidden;
    /* No transition - instant resize prevents visual jump on Ctrl+Enter */
}

.prop-textarea:focus {
    outline: none;
    border-color: #667eea;
}

.prop-textarea::placeholder {
    color: #999;
    font-style: italic;
    opacity: 0.8;
}

.prop-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    margin-top: 8px;
}


.prop-btn {
    width: 100%;
    padding: 8px 16px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
}

.prop-btn:hover {
    background: #5568d3;
}

.btn-group {
    display: flex;
    gap: 8px;
}

.prop-toggle-btn {
    flex: 1;
    padding: 8px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.prop-toggle-btn:hover {
    background: #f5f5f5;
}

.prop-toggle-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.color-picker-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.color-picker-group input[type="color"] {
    width: 60px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
}

/* Color Buttons Row */
.color-buttons-row {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
}

.color-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 48px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    transition: all 0.15s;
    padding: 4px;
}

.color-btn:hover {
    border-color: #999;
    background: #f5f5f5;
}

.color-btn.active {
    border-color: #2196F3;
    background: #e3f2fd;
}

.color-btn-label {
    font-size: 12px;
    font-weight: 500;
    color: #555;
    line-height: 1;
}

.color-btn-preview {
    width: 32px;
    height: 8px;
    border-radius: 2px;
    margin-top: 4px;
    border: 1px solid rgba(0,0,0,0.1);
}

/* Color Palette Dropdown */
.color-palette-dropdown {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin-top: 8px;
}

.color-palette-dropdown.open {
    display: flex;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}

.color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.1s, border-color 0.1s;
}

.color-swatch:hover {
    transform: scale(1.15);
    z-index: 1;
}

.color-swatch.selected {
    border-color: #333;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.2);
}

.color-swatch.light-color {
    border-color: #ddd;
}

.color-swatch.light-color.selected {
    border-color: #333;
}

.color-picker-hidden {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.color-hex-input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    width: 100%;
    box-sizing: border-box;
}

.prop-slider {
    width: 100%;
    margin-top: 8px;
    cursor: pointer;
}

.property-group span {
    display: inline-block;
    margin-top: 8px;
    font-size: 13px;
    color: #666;
    font-weight: 600;
}

.property-actions {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.btn-block {
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
}


/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    /* Hide language and share buttons on mobile */
    .top-right-controls {
        display: none;
    }
    
    .editor-header h1 {
        font-size: 32px;
    }
    
    /* Scrolling placeholder text for mobile */
    .prompt-input::placeholder {
        white-space: nowrap;
        overflow: visible;
        text-overflow: clip;
    }
    
    .diagram-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 0 8px;
    }
    
    .diagram-card {
        padding: 16px 12px;
    }
    
    .diagram-preview {
        height: 100px;
        margin-bottom: 12px;
    }
    
    .diagram-preview svg {
        max-height: 80px;
        pointer-events: none;
        user-select: none;
    }
    
    .diagram-card h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }
    
    .diagram-card p {
        font-size: 12px;
    }
    
    /* Toolbar mobile styles moved to editor-toolbar.css for better organization */
    
    /* Editor interface layout on mobile */
    /* Note: Don't use !important on display - let inline style="display:none" work for gallery */
    .editor-interface {
        flex-direction: column;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile browsers */
        position: relative;
        touch-action: manipulation; /* Prevent double-tap zoom on editor UI */
    }
    
    /* Only allow pinch-zoom on the canvas, not the whole page */
    .editor-interface .canvas-panel {
        touch-action: none; /* Let D3 handle all touch events */
    }
    
    /* Fixed toolbar at top on mobile - ONLY in editor interface (not gallery) */
    .editor-interface .editor-toolbar {
        position: fixed !important;
        top: 0;
        left: 0;
        right: 0;
        z-index: 500;
        padding-top: max(8px, env(safe-area-inset-top)) !important;
        touch-action: manipulation; /* Prevent pinch-to-zoom on toolbar */
    }
    
    /* Fixed status bar at bottom on mobile - ONLY in editor interface */
    .editor-interface .editor-status-bar {
        position: fixed !important;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 500;
        padding-bottom: max(6px, env(safe-area-inset-bottom)) !important;
        touch-action: manipulation; /* Prevent pinch-to-zoom on status bar */
    }
    
    /* Adjust main content to account for fixed header/footer - ONLY in editor */
    .editor-interface .editor-main-content {
        position: absolute !important;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        margin: 0 !important;
        padding-top: 100px; /* Space for fixed toolbar */
        padding-bottom: 44px; /* Space for fixed status bar */
        overflow: hidden;
    }
    
    /* Property panel - Full screen on mobile */
    .property-panel {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        height: -webkit-fill-available;
        border-left: none;
        border-radius: 0;
        z-index: 1000;
        overflow-y: auto;
        animation: slideInFromBottom 0.3s ease;
    }
    
    @keyframes slideInFromBottom {
        from {
            transform: translateY(100%);
        }
        to {
            transform: translateY(0);
        }
    }
    
    .property-header {
        padding: 16px 20px;
        padding-top: max(16px, env(safe-area-inset-top));
        position: sticky;
        top: 0;
        background: #f9f9f9;
        z-index: 10;
    }
    
    .property-content {
        padding: 20px;
        padding-bottom: max(20px, env(safe-area-inset-bottom));
    }
    
    /* Hide mobile zoom controls - pinch-to-zoom is available */
    .mobile-zoom-controls {
        display: none !important;
    }
    
    /* Status bar mobile: Ensure visible, hide node count & edit mode, center LLM buttons */
    .editor-status-bar {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        justify-content: center;
        padding: 6px 12px;
        min-height: 44px;
        flex-shrink: 0;
        position: relative;
        z-index: 100;
    }
    
    .editor-status-bar .status-left,
    .editor-status-bar .status-right {
        display: none !important;
    }
    
    .editor-status-bar .status-center {
        display: flex !important;
        visibility: visible !important;
        flex: 1;
        justify-content: center;
        align-items: center;
    }
    
    /* Hide "AI Model:" label on mobile */
    .editor-status-bar .llm-label {
        display: none !important;
    }
    
    /* Make LLM buttons fit on mobile */
    .llm-selector {
        display: flex !important;
        gap: 6px;
    }
    
    .llm-btn {
        display: inline-flex !important;
        padding: 6px 12px;
        font-size: 11px;
        min-width: 50px;
    }
}

/* ============================================
   AI ASSISTANT PANEL (MindMate)
   ============================================ */

.ai-assistant-panel-placeholder {
    /* This placeholder prevents CSS issues during transition */
    display: none;
}

.thinking-panel {
    /* Panel removed - keeping minimal styles for backward compatibility */
    display: none !important;
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 100%;
    background: linear-gradient(to bottom, #fafbfd 0%, #ffffff 100%);
    border-left: 1px solid #e1e4e8;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
    z-index: 150;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
}

.thinking-panel.collapsed {
    transform: translateX(100%);
    box-shadow: none;
}

.thinking-header {
    padding: 24px 28px;
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 12px rgba(156, 39, 176, 0.25);
    position: relative;
}

.thinking-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.thinking-header-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.thinking-icon-wrapper {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.thinking-header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.thinking-header h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.2px;
}

.thinking-close-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.thinking-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.thinking-close-btn:active {
    transform: scale(0.95);
}

.thinking-progress {
    padding: 16px 20px;
    background: #f5f5f5;
    border-bottom: 1px solid #e0e0e0;
    flex-shrink: 0;
}

.progress-bar {
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #9C27B0, #7B1FA2);
    border-radius: 3px;
    transition: width 0.5s ease-out;
}

.progress-label {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.thinking-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.thinking-messages::-webkit-scrollbar {
    width: 6px;
}

.thinking-messages::-webkit-scrollbar-track {
    background: transparent;
}

.thinking-messages::-webkit-scrollbar-thumb {
    background: #d0d0d0;
    border-radius: 3px;
}

.thinking-messages::-webkit-scrollbar-thumb:hover {
    background: #b0b0b0;
}

.thinking-message {
    padding: 14px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.6;
    max-width: 85%;
    word-wrap: break-word;
    animation: messageSlideIn 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.thinking-message.user {
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
    color: white;
    align-self: flex-end;
    margin-left: auto;
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 8px rgba(156, 39, 176, 0.3);
}

.thinking-message.assistant {
    background: white;
    color: #2d3748;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.thinking-message.streaming {
    opacity: 0.85;
    animation: streamingPulse 1.5s infinite;
}

@keyframes streamingPulse {
    0%, 100% {
        opacity: 0.85;
    }
    50% {
        opacity: 1;
    }
}

/* Content wrapper for thinking messages */
.thinking-message-content {
    margin: 0;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Markdown styling for thinking messages */
.thinking-message-content p {
    margin: 0 0 8px 0;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.thinking-message-content p:first-child {
    margin-top: 0;
}

.thinking-message-content p:last-child {
    margin-bottom: 0;
}

.thinking-message-content strong {
    font-weight: 600;
    color: #7B1FA2;
}

.thinking-message-content em {
    font-style: italic;
    color: #555;
}

.thinking-message-content code {
    background: #f5f2f7;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #7B1FA2;
}


.thinking-message-content pre {
    background: #f5f2f7;
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.8em 0;
}

.thinking-message-content pre code {
    background: none;
    padding: 0;
}

.thinking-message-content ul,
.thinking-message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.thinking-message-content li {
    margin: 4px 0;
}

.thinking-message-content blockquote {
    border-left: 3px solid #9C27B0;
    padding-left: 12px;
    margin: 8px 0;
    color: #666;
}

.thinking-message-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 8px 0;
}

.thinking-message-content th, .thinking-message-content td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.thinking-message-content th {
    background-color: #f5f5f5;
    font-weight: 600;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Typing indicator - matches MindMate style */
.thinking-typing-indicator {
    padding: 14px 16px;
    background: white;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    font-size: 14px;
    color: #6b7280;
    align-self: flex-start;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    max-width: 85%;
}

.thinking-typing-dots {
    display: inline-block;
}

.thinking-typing-dots span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #9C27B0;
    border-radius: 50%;
    margin: 0 2px;
    animation: typing 1.4s infinite;
}

.thinking-typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.thinking-typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Toolbar - above text input */
.thinking-toolbar {
    padding: 12px 24px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-top: 1px solid #e8ecf0;
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.02);
}

.thinking-toolbar-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
    border: 2px solid transparent;
    border-radius: 12px;
    color: white;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(156, 39, 176, 0.25),
                0 2px 4px rgba(156, 39, 176, 0.15);
    overflow: hidden;
}

/* Animated gradient overlay */
.thinking-toolbar-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        transparent 100%);
    transition: left 0.5s ease;
    z-index: 0;
}

.thinking-toolbar-btn:hover::before {
    left: 100%;
}

/* Subtle pulse animation */
.thinking-toolbar-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.thinking-toolbar-btn:hover::after {
    width: 300px;
    height: 300px;
}

/* Tooltip wrapper */
.tooltip-wrapper {
    position: relative;
    display: inline-block;
}

/* Custom tooltip - separate element, doesn't conflict with animations */
.custom-tooltip {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 10000;
}

.tooltip-wrapper:hover .custom-tooltip {
    opacity: 1;
    visibility: visible;
}

.thinking-toolbar-btn:hover {
    background: linear-gradient(135deg, #AB47BC 0%, #8E24AA 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.35),
                0 3px 8px rgba(156, 39, 176, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.thinking-toolbar-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 8px rgba(156, 39, 176, 0.25);
}

/* Icon animation on hover */
.thinking-toolbar-btn svg {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.thinking-toolbar-btn:hover svg {
    transform: rotate(90deg) scale(1.1);
}

/* Text styling */
.thinking-toolbar-btn span {
    position: relative;
    z-index: 1;
    letter-spacing: 0.3px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Subtle continuous glow animation */
@keyframes nodePaletteGlow {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(156, 39, 176, 0.25),
                    0 2px 4px rgba(156, 39, 176, 0.15);
    }
    50% {
        box-shadow: 0 4px 16px rgba(156, 39, 176, 0.35),
                    0 2px 6px rgba(156, 39, 176, 0.2),
                    0 0 20px rgba(156, 39, 176, 0.15);
    }
}

.thinking-toolbar-btn {
    animation: nodePaletteGlow 3s ease-in-out infinite;
}

.thinking-input-area {
    padding: 24px;
    background: white;
    border-top: 1px solid #e8ecf0;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.04);
    flex-shrink: 0;
}

.thinking-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    background: #f8f9fa;
    border: 2px solid #e8ecf0;
    border-radius: 16px;
    padding: 12px;
    transition: all 0.3s ease;
}

.thinking-input-wrapper:focus-within {
    border-color: #9C27B0;
    background: white;
    box-shadow: 0 0 0 4px rgba(156, 39, 176, 0.1);
}

.thinking-input {
    flex: 1;
    padding: 6px 8px;
    border: none;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    background: transparent;
    max-height: 120px;
    min-height: 24px;
}

.thinking-input::placeholder {
    color: #9ca3af;
}

.thinking-send-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(156, 39, 176, 0.3);
    flex-shrink: 0;
}

.thinking-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(156, 39, 176, 0.5);
}

.thinking-send-btn:active {
    transform: scale(0.95);
}

.thinking-send-btn:disabled {
    background: linear-gradient(135deg, #d1d5db 0%, #9ca3af 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.5;
}

.thinking-stop-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(244, 67, 54, 0.3);
    flex-shrink: 0;
    margin-right: 8px;
}

.thinking-stop-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.5);
    background: linear-gradient(135deg, #e53935 0%, #c62828 100%);
}

.thinking-stop-btn:active {
    transform: scale(0.95);
}

/* ============================================
   AI ASSISTANT PANEL (MindMate)
   ============================================ */

.ai-assistant-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 420px;
    height: 100%;
    background: linear-gradient(to bottom, #fafbfd 0%, #ffffff 100%);
    border-left: 1px solid #e1e4e8;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
    z-index: 150;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
}

.ai-assistant-panel.collapsed {
    transform: translateX(100%);
    box-shadow: none;
}

.ai-assistant-header {
    padding: 24px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25);
    position: relative;
}

.ai-assistant-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.ai-assistant-header-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ai-icon-wrapper {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.ai-header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ai-assistant-header h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.2px;
}

/* Removed .ai-status - no longer showing online indicator */

.ai-close-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
}

.ai-close-btn svg {
    transition: transform 0.2s ease;
}

.ai-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.ai-close-btn:hover svg {
    transform: rotate(90deg);
}

.ai-close-btn:active svg {
    transform: rotate(90deg) scale(0.9);
}

.ai-assistant-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #fafbfc;
}

.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ai-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.ai-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: #d0d0d0;
    border-radius: 3px;
}

.ai-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #b0b0b0;
}

.ai-welcome-message {
    padding: 24px;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
    border-radius: 16px;
    border: 2px solid #e8ecff;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.08);
    animation: welcomeSlideIn 0.5s ease;
}

@keyframes welcomeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-icon {
    font-size: 32px;
    flex-shrink: 0;
    animation: welcomeIconBounce 2s infinite;
}

@keyframes welcomeIconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.welcome-text {
    flex: 1;
}

.welcome-text h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 700;
    color: #667eea;
}

.welcome-text p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: #495057;
}

.ai-message {
    padding: 14px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.6;
    max-width: 85%;
    word-wrap: break-word;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-message.user {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    align-self: flex-end;
    margin-left: auto;
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.ai-message.assistant {
    background: white;
    color: #2d3748;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.ai-message.streaming {
    opacity: 0.85;
    animation: streamingPulse 1.5s infinite;
}

@keyframes streamingPulse {
    0%, 100% {
        opacity: 0.85;
    }
    50% {
        opacity: 1;
    }
}

.ai-message-content {
    margin: 0;
}

/* Markdown styling in AI messages */
.ai-message-content p {
    margin: 0 0 8px 0;
}

.ai-message-content p:last-child {
    margin-bottom: 0;
}

.ai-message-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.ai-message-content pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 8px 0;
}

.ai-message-content pre code {
    background: none;
    padding: 0;
}

.ai-message-content ul, .ai-message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.ai-message-content li {
    margin: 4px 0;
}

.ai-message-content blockquote {
    border-left: 3px solid #667eea;
    padding-left: 12px;
    margin: 8px 0;
    color: #666;
}

.ai-message-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 8px 0;
}

.ai-message-content th, .ai-message-content td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.ai-message-content th {
    background-color: #f5f5f5;
    font-weight: 600;
}

/* Image styling in AI messages */
.ai-message-content img {
    max-width: 100%;
    max-height: 300px;
    height: auto;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 8px 0;
    display: block;
}

.ai-message-content img:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Image container with save button */
.ai-message-content .image-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
    margin: 8px 0;
}

.ai-message-content .image-container img {
    margin: 0;
}

.ai-message-content .image-save-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    gap: 4px;
}

.ai-message-content .image-container:hover .image-save-btn {
    opacity: 1;
}

.ai-message-content .image-save-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Image lightbox modal */
.image-lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.image-lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    margin: auto;
    animation: zoomIn 0.3s ease;
}

.image-lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    cursor: default;
    transform: none;
}

.image-lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.image-lightbox-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: rotate(90deg);
}

.image-lightbox-save {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(102, 126, 234, 0.9);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.image-lightbox-save:hover {
    background: rgba(102, 126, 234, 1);
    transform: translateX(-50%) scale(1.05);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.6);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.ai-chat-input-container {
    padding: 24px;
    background: white;
    border-top: 1px solid #e8ecf0;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.04);
    flex-shrink: 0;
}

.ai-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    background: #f8f9fa;
    border: 2px solid #e8ecf0;
    border-radius: 16px;
    padding: 12px;
    transition: all 0.3s ease;
}

.ai-input-wrapper:focus-within {
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.ai-chat-input {
    flex: 1;
    padding: 6px 8px;
    border: none;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    background: transparent;
    max-height: 120px;
    min-height: 24px;
}

.ai-chat-input::placeholder {
    color: #9ca3af;
}

.ai-chat-send-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    flex-shrink: 0;
}

.ai-chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
}

.ai-chat-send-btn:active {
    transform: scale(0.95);
}

.ai-chat-send-btn:disabled {
    background: linear-gradient(135deg, #d1d5db 0%, #9ca3af 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.5;
}

.ai-typing-indicator {
    padding: 14px 16px;
    background: white;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    font-size: 14px;
    color: #6b7280;
    align-self: flex-start;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.ai-typing-dots {
    display: inline-block;
}

.ai-typing-dots span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #667eea;
    border-radius: 50%;
    margin: 0 2px;
    animation: typing 1.4s infinite;
}

.ai-typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.ai-typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Responsive AI Panel - Full screen on mobile */
@media (max-width: 768px) {
    .ai-assistant-panel {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        height: -webkit-fill-available; /* iOS Safari fix */
        border-left: none;
        border-radius: 0;
        z-index: 1000;
        overflow: hidden;
    }
    
    .ai-assistant-panel.collapsed {
        transform: translateY(100%);
        pointer-events: none;
    }
    
    /* Larger header on mobile */
    .ai-assistant-header {
        padding: 16px 20px;
        padding-top: max(16px, env(safe-area-inset-top));
    }
    
    /* More space for messages */
    .ai-chat-messages {
        padding: 16px;
    }
    
    /* Larger input area on mobile */
    .ai-chat-input-container {
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }
    
    .ai-input-wrapper {
        padding: 10px;
    }
    
    .ai-chat-input {
        font-size: 16px; /* Prevent iOS zoom on focus */
    }
    
    /* Thinking panel - Full screen on mobile (hidden) */
    .thinking-panel {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        height: -webkit-fill-available; /* iOS Safari fix */
        border-left: none;
        border-radius: 0;
        z-index: 1000;
        overflow: hidden;
    }
    
    .thinking-panel.collapsed {
        transform: translateY(100%);
        pointer-events: none;
    }
    
    .thinking-header {
        padding: 16px 20px;
        padding-top: max(16px, env(safe-area-inset-top));
    }
    
    .thinking-messages {
        padding: 16px;
    }
    
    .thinking-input-area {
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }
    
    .thinking-input {
        font-size: 16px; /* Prevent iOS zoom on focus */
    }
}

/* ========== Kitty VoiceAgent Mascot ========== */
/* NOTE: All kitty styles are now in comic-bubble.css */

/* ========== Flow Map Orientation Controls ========== */
.flow-map-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
    display: flex;
    gap: 8px;
}

.flow-map-control-btn {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.flow-map-control-btn:hover {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.flow-map-control-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.flow-map-control-btn:focus {
    outline: 2px solid rgba(25, 118, 210, 0.5);
    outline-offset: 2px;
}

/* REMOVED: All drag-and-drop swap feature CSS has been removed */